drm/amdgpu: add vram usage into debugfs

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 364cbe97533298d45e9087d322c35f7c3923b52a..a089e69e9927610666ff9fb26c2be008335a473a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1072,6 +1072,11 @@ static int amdgpu_mm_dump_table(struct seq_file *m, void *data)
        spin_lock(&glob->lru_lock);
        ret = drm_mm_dump_table(m, mm);
        spin_unlock(&glob->lru_lock);
+       if (ttm_pl == TTM_PL_VRAM)
+               seq_printf(m, "man size:%llu pages, ram usage:%luMB, vis usage:%luMB\n",
+                          adev->mman.bdev.man[ttm_pl].size,
+                          atomic64_read(&adev->vram_usage) >> 20,
+                          atomic64_read(&adev->vram_vis_usage) >> 20);
        return ret;
 }